101201122220 has 48 divisors (see below), whose sum is σ = 232041148416. Its totient is φ = 36768888000.

The previous prime is 101201122189. The next prime is 101201122273. The reversal of 101201122220 is 22221102101.

It is a junction number, because it is equal to n+sod(n) for n = 101201122195 and 101201122204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61205 + ... + 454035.

It is an arithmetic number, because the mean of its divisors is an integer number (4834190592).

Almost surely, 2^101201122220 is an apocalyptic number.

101201122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201122220 is an abundant number, since it is smaller than the sum of its proper divisors (130840026196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101201122220 is a wasteful number, since it uses less digits than its factorization.

101201122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394022 (or 394020 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101201122220 its reverse (22221102101), we get a palindrome (123422224321).

The spelling of 101201122220 in words is "one hundred one billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty".